1299143017 has 8 divisors (see below), whose sum is σ = 1368791424. Its totient is φ = 1230591648.

The previous prime is 1299142997. The next prime is 1299143081. The reversal of 1299143017 is 7103419921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299143017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299144017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271828 + ... + 276565.

It is an arithmetic number, because the mean of its divisors is an integer number (171098928).

Almost surely, 2^1299143017 is an apocalyptic number.

It is an amenable number.

1299143017 is a deficient number, since it is larger than the sum of its proper divisors (69648407).

1299143017 is a wasteful number, since it uses less digits than its factorization.

1299143017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548519.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1299143017 is about 36043.6265794662. The cubic root of 1299143017 is about 1091.1530085109.

The spelling of 1299143017 in words is "one billion, two hundred ninety-nine million, one hundred forty-three thousand, seventeen".